diff --git a/AnnService/inc/Helper/AsyncFileReader.h b/AnnService/inc/Helper/AsyncFileReader.h
index bd636b2c..b1eeb465 100644
--- a/AnnService/inc/Helper/AsyncFileReader.h
+++ b/AnnService/inc/Helper/AsyncFileReader.h
@@ -522,7 +522,7 @@ namespace SPTAG
             {
                 m_fileHandle = open(filePath, O_RDONLY | O_DIRECT);
                 if (m_fileHandle <= 0) {
-                    SPTAGLIB_LOG(LogLevel::LL_Error, "Failed to create file handle: %s\n", filePath);
+                    SPTAGLIB_LOG(LogLevel::LL_Error, "Failed to create file handle: %s: %s\n", filePath, strerror(errno));
                     return false;
                 }